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The Goodman B1756028L is a genuine OEM horizontal condensate drain pan built specifically for ARUF048-00A-1 air handlers installed in a horizontal (attic or crawlspace) configuration. It collects condensate from the evaporator coil along the full length of the cabinet and routes it to the drain connection, preventing standing water that can corrode the cabinet and feed mold.
Horizontal pans are application-specific, and a generic substitute rarely matches Goodman's slope, length, and drain-port geometry. This OEM pan ensures correct condensate drainage and a sealed fit against the coil — critical in horizontal setups where even a slight pitch error causes overflow. OEM also keeps your factory warranty intact.
Moderate to Advanced. Horizontal pan replacement typically requires pulling the coil and working in a confined attic or crawlspace. Budget 1–2 hours, confirm proper pan slope toward the drain, and test for leaks before closing up. Professional installation is recommended.